Prime Factorization
GCF
LCM
Factors
Mixed Review
100

What is the prime factorization of 12?

2 x 2 x 3

100
What is the GCF of 10 and 12?
2
100
What is the LCM of 4 and 6?
12
100
What are the factors of 3?
1 and 3
100

Explain how a number is divisible by 12

Answer may vary:

It is divisible by 4 & 3.


200
What is the prime factorization of 24?
2 x 2 x 2 x 3
200
What is the GCF of 8 and 12?
4
200
What is the LCM of 3 and 4?
12
200
What are the factors of 6?
1, 6 2, 3
200

Is 51 prime or composite?

Composite: 3 x 17
300
What is the prime factorization of 50?
2 x 5 x 5
300
What is the GCF of 5 and 10?
5
300
What is the LCM of 5 and 7?
35
300
What are the factors of 8?
1, 8 2, 4
300

True or False: 

If a number is divisible by 10 then it must also be divisible by 5

True

400
What is the prime factorization of 45?
3 x 3 x 5
400
What is the GCF of 4 and 6?
2
400
What is the LCM of 5 and 8?
40
400
What are the factors of 15?
1, 15 3, 5
400

Rewrite the prime factorization below using exponents:

5 x 3 x 2 x 3 

22 x 32 x 5

500
What is the prime factorization of 40?
2 x 2 x 2 x 5
500
What is the GCF of 20 and 24?
4
500
What is the LCM of 5, 6, and 10?
30
500
What are the factors of 20?
1, 20 2, 10 4, 5
500

From the list below, choose all the numbers 144 is divisible by:

2 3 4 5 6 

7 8 9 10 12

2, 3, 4, 6, 8, 9, 12

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